package com.itheima.service;

import com.itheima.pojo.EmpJobCategory;
import com.itheima.pojo.vo.DataStatistics;
import com.itheima.pojo.vo.EmpJobData;
import com.itheima.pojo.vo.StuCountData;

import java.util.List;

public interface DataStatisticsService {
    List<DataStatistics> statistics();
   EmpJobData findCategories();

    List<DataStatistics> studentDegreeData();


    StuCountData studentCountData();


}
